[builtins] Introduce proper Float64Log1p operator.

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index 7c1cf43b5750051c722eac65c58a44eb98cf5aaf..2a53a3b1110077f2806c6dd9157cf5271065df54 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -1014,13 +1014,6 @@ void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat64Abs, kSSEFloat64Abs);
 }
 
-void InstructionSelector::VisitFloat64Log(Node* node) {
-  IA32OperandGenerator g(this);
-  Emit(kIeee754Float64Log, g.DefineSameAsFirst(node),
-       g.UseRegister(node->InputAt(0)))
-      ->MarkAsCall();
-}
-
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRO(this, node, kSSEFloat32Sqrt);
 }
@@ -1079,6 +1072,13 @@ void InstructionSelector::VisitFloat32Neg(Node* node) { UNREACHABLE(); }
 
 void InstructionSelector::VisitFloat64Neg(Node* node) { UNREACHABLE(); }
 
+void InstructionSelector::VisitFloat64Ieee754Unop(Node* node,
+                                                  InstructionCode opcode) {
+  IA32OperandGenerator g(this);
+  Emit(opcode, g.DefineSameAsFirst(node), g.UseRegister(node->InputAt(0)))
+      ->MarkAsCall();
+}
+
 void InstructionSelector::EmitPrepareArguments(
     ZoneVector<PushParameter>* arguments, const CallDescriptor* descriptor,
     Node* node) {